Corrects path to CONTRIBUTING.md file in .github templates

.github/ISSUE_TEMPLATE/bug.yml

@@ -10,7 +10,7 @@ body:
       options:
         - label: I have searched for [duplicate or closed issues](https://github.com/materializecss/materialize/issues?utf8=%E2%9C%93&q=is%3Aissue).
           required: true
-        - label: I have read the [CONTRIBUTING document](https://github.com/materializecss/materialize/blob/master/CONTRIBUTING.md) and my issue is following the guidelines. 
+        - label: I have read the [CONTRIBUTING document](https://github.com/materializecss/materialize/blob/main/docs/CONTRIBUTING.md) and my issue is following the guidelines.
           required: true
         - label: I have read the template completely before filling it in.
           required: true
@@ -50,10 +50,10 @@ body:
     attributes:
       label: Steps to reproduce
       description: |
-        If relevant, give a set of steps to reproduce this bug.  
+        If relevant, give a set of steps to reproduce this bug.
         We encourage you a live example that demonstrates the bug (you may want to use the [following jsfiddle template](https://jsfiddle.net/1es0zhaf/))
       placeholder: |
-        1. Open this link 
+        1. Open this link
         2. Click there
         3. This appears, but...
     validations:

.github/ISSUE_TEMPLATE/improvement.yml

@@ -8,7 +8,7 @@ body:
       options:
         - label: I have searched for [duplicate or closed issues](https://github.com/materializecss/materialize/issues?utf8=%E2%9C%93&q=is%3Aissue).
           required: true
-        - label: I have read the [CONTRIBUTING document](https://github.com/materializecss/materialize/blob/master/CONTRIBUTING.md) and my issue is following the guidelines. 
+        - label: I have read the [CONTRIBUTING document](https://github.com/materializecss/materialize/blob/main/docs/CONTRIBUTING.md) and my issue is following the guidelines.
           required: true
         - label: I have read the template completely before filling it in.
           required: true

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,7 +2,7 @@
 <!-- Describe the big picture of your changes here to communicate to the maintainers why we should accept this pull request. If it fixes a bug or resolves a feature request, be sure to link to that issue. -->
 
 ## Screenshots (if appropriate) or codepen:
-<!-- Add supplemental screenshots or code examples. Look for a codepen template in our **[CONTRIBUTING document](https://github.com/materializecss/materialize/blob/master/CONTRIBUTING.md)**. -->
+<!-- Add supplemental screenshots or code examples. Look for a codepen template in our **[CONTRIBUTING document](https://github.com/materializecss/materialize/blob/main/docs/CONTRIBUTING.md)**. -->
 
 ## Types of changes
 <!-- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
@@ -14,8 +14,8 @@
 ## Checklist:
 <!-- Go over all the following points, and put an `x` in all the boxes that apply. If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
 
-- [ ] I have read the **[CONTRIBUTING document](https://github.com/materializecss/materialize/blob/main/CONTRIBUTING.md)**.
-- [ ] My commit messages follows the [conventional commit format](https://github.com/materializecss/materialize/blob/main/CONTRIBUTING.md#submitting-your-pull-request)
+- [ ] I have read the **[CONTRIBUTING document](https://github.com/materializecss/materialize/blob/main/docs/CONTRIBUTING.md)**.
+- [ ] My commit messages follows the [conventional commit format](https://github.com/materializecss/materialize/blob/main/docs/CONTRIBUTING.md#submitting-your-pull-request)
 - [ ] My change requires a change to the documentation, and updated it accordingly.
 - [ ] I have added tests to cover my changes.
 - [ ] All new and existing tests passed.