feat: add flask support

content/en/handbook/flask.md

@@ -0,0 +1,62 @@
+---
+title: Flask
+category: Handbook
+position: 250
+badge: Starter
+---
+
+## Init flask project via cli
+
+> cli init method will creat folder with name `flask` in the current directory.
+
+```shell
+lets init flask
+```
+
+## Run flask locally to test project
+
+> You have to install flask in advance: [Flask Quickstart](https://flask.palletsprojects.com/en/1.1.x/quickstart/)
+
+```shell
+flask run
+```
+
+## Define you dependency in your pythons projects
+
+<code-group>
+  <code-block label="manually" active>
+
+```bash
+# manually config requirements.txt
+
+echo "flask==1.1.2" > requirements.txt
+```
+
+  </code-block>
+  <code-block label="pipenv">
+
+```bash
+# if you are using pipenv <https://github.com/pypa/pipenv>, you could directly init via `pipenv lock`
+
+pipenv lock -r > requirements.txt
+```
+
+  </code-block>
+  <code-block label="poetry">
+
+```bash
+# if you are using poetry <https://python-poetry.org/docs/cli/>, you could directly init via `poetry export`
+
+poetry export -f requirements.txt --output requirements.txt
+```
+
+  </code-block>
+</code-group>
+
+## Deploy to let.sh
+
+> if you haven't install `lets`, please take a look at the documentation: [Cli Overview](/cli/overview).
+
+```shell
+lets deploy
+```

content/en/handbook/gin.md

@@ -1,7 +1,7 @@
 ---
 title: Gin
 category: Handbook
-position: 250
+position: 252
 badge: Starter
 ---
 

content/en/handbook/rocket.md

@@ -1,7 +1,7 @@
 ---
 title: Rocket
 category: Handbook
-position: 252
+position: 253
 badge: Starter
 ---