rename master -> main

Author: Emilgardis

.github/workflows/ci.yml

@@ -3,10 +3,10 @@ env:
   CI_TWITCH_OAUTH2_FEATURES: "all mock_api"
 on:
   pull_request:
-    branches: [master]
+    branches: [main]
     types: [opened, reopened, synchronize]
   push:
-    branches: [master, staging, trying]
+    branches: [main, staging, trying]
 jobs:
   ci:
     name: CI

.github/workflows/gh-pages.yml

@@ -6,7 +6,7 @@ env:
 on:
   push:
     branches:
-      - master
+      - main
 jobs:
   deploy:
     runs-on: ubuntu-latest
@@ -21,7 +21,7 @@ jobs:
         uses: actions/cache@v1
         id: cache
         with:
-          path: 
+          path:
             ~/.cargo/registry/index
             ~/.cargo/registry/cache
             ~/.cargo/git

README.md

@@ -33,4 +33,4 @@ for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
 be dual licensed as above, without any additional terms or conditions.
 </sub>
 
-[local-docs]: https://img.shields.io/github/workflow/status/twitch-rs/twitch_oauth2/github%20pages/master?label=docs&style=flat-square&event=push
+[local-docs]: https://img.shields.io/github/workflow/status/twitch-rs/twitch_oauth2/github%20pages/main?label=docs&style=flat-square&event=push

RELEASE-CHECKLIST.md

@@ -2,4 +2,4 @@ See [documentation](https://docs.rs/twitch_oauth2) for documentation.
 
 You can see current unpublished docs here: [![local-docs]](https://twitch-rs.github.io/twitch_oauth2/twitch_oauth2)
 
-[local-docs]: https://img.shields.io/github/workflow/status/twitch-rs/twitch_oauth2/github%20pages/master?label=docs&style=flat-square&event=push
+[local-docs]: https://img.shields.io/github/workflow/status/twitch-rs/twitch_oauth2/github%20pages/main?label=docs&style=flat-square&event=push