chore(gitpod): add config file + update gitignore for venv part

Signed-off-by: Andrei Jiroh Halili <ajhalili2006@gmail.com>

.gitignore

@@ -3,3 +3,4 @@ public_html
 public_ctrl-c
 site
 venv
+.venv

.gitpod.yml

@@ -0,0 +1,17 @@
+# This configuration file was automatically generated by Gitpod.
+# Please adjust to your needs (see https://www.gitpod.io/docs/introduction/learn-gitpod/gitpod-yaml)
+# and commit this file to your remote git repository to share the goodness with others.
+
+# Learn more from ready-to-use templates: https://www.gitpod.io/docs/introduction/getting-started/quickstart
+
+tasks:
+  - init: |
+      python3 -m venv .venv
+      source .venv/bin/activate
+      pip3 install -r requirements.txt
+    command: mkdocs serve
+
+ports:
+  - port: 8000
+    onOpen: notify
+    visibility: public