diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 0000000..ea670b9
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1 @@
+* @SAWARATSUKI
diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml
new file mode 100644
index 0000000..e2ee6ff
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/config.yml
@@ -0,0 +1,5 @@
+blank_issue_enabled: false
+contact_links:
+  - name: Twitter
+    url: https://twitter.com/intent/user?screen_name=sawaratsuki1004
+    about: SAWARATSUKI's Twitter
diff --git a/.github/ISSUE_TEMPLATE/fix-request-ja.yaml b/.github/ISSUE_TEMPLATE/fix-request-ja.yml
similarity index 100%
rename from .github/ISSUE_TEMPLATE/fix-request-ja.yaml
rename to .github/ISSUE_TEMPLATE/fix-request-ja.yml
diff --git a/.github/ISSUE_TEMPLATE/fix-request.yaml b/.github/ISSUE_TEMPLATE/fix-request.yml
similarity index 100%
rename from .github/ISSUE_TEMPLATE/fix-request.yaml
rename to .github/ISSUE_TEMPLATE/fix-request.yml
diff --git a/.github/ISSUE_TEMPLATE/request-ja.yaml b/.github/ISSUE_TEMPLATE/request-ja.yml
similarity index 100%
rename from .github/ISSUE_TEMPLATE/request-ja.yaml
rename to .github/ISSUE_TEMPLATE/request-ja.yml
diff --git a/.github/ISSUE_TEMPLATE/request.yaml b/.github/ISSUE_TEMPLATE/request.yml
similarity index 100%
rename from .github/ISSUE_TEMPLATE/request.yaml
rename to .github/ISSUE_TEMPLATE/request.yml
diff --git a/README.md b/README.md
new file mode 120000
index 0000000..0e01b43
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+docs/README.md
\ No newline at end of file