feat: add structured logger - #96

🤖 I have created a release *beep* *boop*
---


##
[0.0.3](v0.0.2...v0.0.3)
(2024-12-10)


### Features

* Add --log-level and --logging-format flags
([#97](#97))
([9a0f618](9a0f618))
* Add options for command
([#110](#110))
([5c690c5](5c690c5))
* Add Spanner source and tool
([#90](#90))
([890914a](890914a))
* Add std logger
([#95](#95))
([6a8feb5](6a8feb5))
* Add structured logger
([#96](#96))
([5e20417](5e20417))
* **source/alloydb-pg:** Add configuration for public and private IP
([#103](#103))
([e88ec40](e88ec40))
* **source/cloudsql-pg:** Add configuration for public and private IP
([#114](#114))
([6479c1d](6479c1d))


### Bug Fixes

* Fix go test workflow
([#84](#84))
([8c2c373](8c2c373))
* Fix issue causing client session to not close properly while closing
SDK. ([#81](#81))
([9d360e1](9d360e1))
* Fix test cases for ip_type
([#115](#115))
([5528bec](5528bec))
* Fix the errors showing up after setting up mypy type checker.
([#74](#74))
([522bbef](522bbef))
* **llamaindex-sdk:** Fix issue causing client session to not close
properly while closing SDK.
([#82](#82))
([fa03376](fa03376))


### Miscellaneous Chores

* Release 0.0.3
([#122](#122))
([626e12f](626e12f))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Logging support 4 different types of logging (debug, info, warn, error).

Example of structured logger:

```
{
  "timestamp":"2024-11-04T16:45:11.987299-08:00",
  "severity":"ERROR",
  "logging.googleapis.com/sourceLocation":{
    "function":"github.com/googleapis/genai-toolbox/internal/log.(*StructuredLogger).Errorf",
    "file":"/Users/yuanteoh/github/genai-toolbox/internal/log/log.go","line":157
  },
  "message":"unable to parse tool file at \"tools.yaml\": \"cloud-sql-postgres1\" is not a valid kind of data source"
}
```

```
{
  "timestamp":"2024-11-04T16:45:11.987562-08:00",
  "severity":"INFO",
  "logging.googleapis.com/sourceLocation":{
    "function":"github.com/googleapis/genai-toolbox/internal/log.(*StructuredLogger).Infof",
    "file":"/Users/yuanteoh/github/genai-toolbox/internal/log/log.go","line":147
  },
  "message":"Initalized 0 sources.\n"
}
```

🤖 I have created a release *beep* *boop*
---


##
[0.0.3](googleapis/mcp-toolbox@v0.0.2...v0.0.3)
(2024-12-10)


### Features

* Add --log-level and --logging-format flags
([googleapis#97](googleapis#97))
([9a0f618](googleapis@9a0f618))
* Add options for command
([googleapis#110](googleapis#110))
([5c690c5](googleapis@5c690c5))
* Add Spanner source and tool
([googleapis#90](googleapis#90))
([890914a](googleapis@890914a))
* Add std logger
([googleapis#95](googleapis#95))
([6a8feb5](googleapis@6a8feb5))
* Add structured logger
([googleapis#96](googleapis#96))
([5e20417](googleapis@5e20417))
* **source/alloydb-pg:** Add configuration for public and private IP
([googleapis#103](googleapis#103))
([e88ec40](googleapis@e88ec40))
* **source/cloudsql-pg:** Add configuration for public and private IP
([googleapis#114](googleapis#114))
([6479c1d](googleapis@6479c1d))


### Bug Fixes

* Fix go test workflow
([googleapis#84](googleapis#84))
([8c2c373](googleapis@8c2c373))
* Fix issue causing client session to not close properly while closing
SDK. ([googleapis#81](googleapis#81))
([9d360e1](googleapis@9d360e1))
* Fix test cases for ip_type
([googleapis#115](googleapis#115))
([5528bec](googleapis@5528bec))
* Fix the errors showing up after setting up mypy type checker.
([googleapis#74](googleapis#74))
([522bbef](googleapis@522bbef))
* **llamaindex-sdk:** Fix issue causing client session to not close
properly while closing SDK.
([googleapis#82](googleapis#82))
([fa03376](googleapis@fa03376))


### Miscellaneous Chores

* Release 0.0.3
([googleapis#122](googleapis#122))
([626e12f](googleapis@626e12f))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

🤖 I have created a release *beep* *boop*
---


##
[0.0.3](googleapis/mcp-toolbox@v0.0.2...v0.0.3)
(2024-12-10)


### Features

* Add --log-level and --logging-format flags
([#97](googleapis/mcp-toolbox#97))
([9a0f618](googleapis/mcp-toolbox@9a0f618))
* Add options for command
([#110](googleapis/mcp-toolbox#110))
([5c690c5](googleapis/mcp-toolbox@5c690c5))
* Add Spanner source and tool
([#90](googleapis/mcp-toolbox#90))
([890914a](googleapis/mcp-toolbox@890914a))
* Add std logger
([#95](googleapis/mcp-toolbox#95))
([6a8feb5](googleapis/mcp-toolbox@6a8feb5))
* Add structured logger
([#96](googleapis/mcp-toolbox#96))
([5e20417](googleapis/mcp-toolbox@5e20417))
* **source/alloydb-pg:** Add configuration for public and private IP
([#103](googleapis/mcp-toolbox#103))
([e88ec40](googleapis/mcp-toolbox@e88ec40))
* **source/cloudsql-pg:** Add configuration for public and private IP
([#114](googleapis/mcp-toolbox#114))
([6479c1d](googleapis/mcp-toolbox@6479c1d))


### Bug Fixes

* Fix go test workflow
([#84](googleapis/mcp-toolbox#84))
([8c2c373](googleapis/mcp-toolbox@8c2c373))
* Fix issue causing client session to not close properly while closing
SDK. ([#81](googleapis/mcp-toolbox#81))
([9d360e1](googleapis/mcp-toolbox@9d360e1))
* Fix test cases for ip_type
([#115](googleapis/mcp-toolbox#115))
([5528bec](googleapis/mcp-toolbox@5528bec))
* Fix the errors showing up after setting up mypy type checker.
([#74](googleapis/mcp-toolbox#74))
([522bbef](googleapis/mcp-toolbox@522bbef))
* **llamaindex-sdk:** Fix issue causing client session to not close
properly while closing SDK.
([#82](googleapis/mcp-toolbox#82))
([fa03376](googleapis/mcp-toolbox@fa03376))


### Miscellaneous Chores

* Release 0.0.3
([#122](googleapis/mcp-toolbox#122))
([626e12f](googleapis/mcp-toolbox@626e12f))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>