Add "looking for contributors" section

Author: vojtapol

.github/ISSUE_TEMPLATE/bug.md

@@ -1,6 +1,6 @@
 ---
 name: Bug
-about: Report a bug
+about: Have you found and confirmed a bug? Report it here.
 title: ''
 labels: bug
 assignees: ''

.github/ISSUE_TEMPLATE/feature.md

@@ -1,8 +1,8 @@
 ---
 name: Feature
-about: Suggest an idea
+about: Suggest an idea for a new feature.
 title: ''
-labels: feature
+labels: enhancement
 assignees: ''
 ---
 

README.md

@@ -10,6 +10,11 @@ GraphQL Java Tools works well if you already have domain POJOs that hold your da
 
 GraphQL Java Tools aims for seamless integration with Java, but works for any JVM language.  Try it with Kotlin!
 
+## We are looking for contributors!
+
+Are you interested in improving our documentation, improving the codebase, reviewing PRs?
+
+[Reach out to us on Spectrum](https://spectrum.chat/graphql-java-kick/tools) and join the team!
 
 ## Quick start