add compose and air settings file

.air.toml

@@ -5,7 +5,7 @@ tmp_dir = "tmp"
 [build]
   args_bin = []
   bin = "./tmp/main"
-  cmd = "go build -o ./tmp/main ."
+  cmd = "go build -o ./tmp/main ./cmd/server/main.go"
   delay = 0
   exclude_dir = ["assets", "tmp", "vendor", "testdata"]
   exclude_file = []

buf.gen.yaml

@@ -0,0 +1,8 @@
+version: v1
+plugins:
+  - plugin: go
+    out: gen
+    opt: paths=source_relative
+  - plugin: connect-go
+    out: gen
+    opt: paths=source_relative

buf.yaml

@@ -0,0 +1,7 @@
+version: v1
+breaking:
+  use:
+    - FILE
+lint:
+  use:
+    - DEFAULT