MyPaths are not required and fail

Inputting paths are not necessary and will break ci, we can just leave paths out. We also changed 'master' to main since anyone reading this is probably going to be making mains

guide/src/continuous-integration.md

@@ -26,7 +26,7 @@ before_script:
   - cargo install-update -a
 
 script:
-  - mdbook build path/to/mybook && mdbook test path/to/mybook
+  - mdbook build && mdbook test
 ```
 
 ## Deploying Your Book to GitHub Pages
@@ -50,10 +50,10 @@ deploy:
   provider: pages
   skip-cleanup: true
   github-token: $GITHUB_TOKEN
-  local-dir: path/to/mybook/book
+  local-dir: book
   keep-history: false
   on:
-    branch: master
+    branch: main
 ```
 
 That's it!
@@ -77,7 +77,7 @@ before_script:
   - cargo install-update -a
 
 script:
-  - mdbook build path/to/mybook && mdbook test path/to/mybook
+  - mdbook build && mdbook test
   
 deploy:
   provider: pages
@@ -85,10 +85,10 @@ deploy:
   edge: true
   cleanup: false
   github-token: $GITHUB_TOKEN
-  local-dir: path/to/mybook/book
+  local-dir: book
   keep-history: false
   on:
-    branch: master
+    branch: main
   target_branch: gh-pages
 ```