diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a0466f2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+../.idea/libraries
+.DS_Store
+/build
+/captures
diff --git a/.idea/libraries/aaabbb.txt b/.idea/libraries/aaabbb.txt
new file mode 100644
index 0000000..e69de29
diff --git a/.idea/libraries/ccc.txt b/.idea/libraries/ccc.txt
new file mode 100644
index 0000000..e69de29
diff --git a/.idea/libraries/ddd.txt b/.idea/libraries/ddd.txt
new file mode 100644
index 0000000..e69de29
diff --git a/app/.gitignore b/app/.gitignore
new file mode 100644
index 0000000..c6cbe56
--- /dev/null
+++ b/app/.gitignore
@@ -0,0 +1,8 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
diff --git a/app/a/.gitignore b/app/a/.gitignore
new file mode 100644
index 0000000..c6cbe56
--- /dev/null
+++ b/app/a/.gitignore
@@ -0,0 +1,8 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
diff --git a/app/a/.idea/libraries/aaa.txt b/app/a/.idea/libraries/aaa.txt
new file mode 100644
index 0000000..e69de29
diff --git a/index.html b/index.html
index 70ad263..d600635 100644
--- a/index.html
+++ b/index.html
@@ -1 +1 @@
-<h1>hello world!</h1>
\ No newline at end of file
+<h1>test!</h1>
\ No newline at end of file