[ci-skip] Update some docs

README.md

@@ -11,18 +11,46 @@ It contains many gameplay changes to suit our server that are deemed too wild to
 ## License
 Everything is licensed under the MIT license, and is free to be used in your own fork.
 
-See [EMC](https://github.com/starlis/empirecraft) and [byof](https://github.com/electronicboy/byof) 
+See [starlis/empirecraft](https://github.com/starlis/empirecraft) and [electronicboy/byof](https://github.com/electronicboy/byof) 
 for the license of material used/modified by this project.
 
+## Server owners
+
+Downloads can be obtained from Pl3x's [Jenkins server](https://ci.pl3x.net/job/Purpur/).
+
+* 1.15.2 builds 398+
+* 1.15.1 builds 348-397
+* 1.15 builds 339-346
+* 1.14.x builds 337 and below
+
+## Plugin developers
+
+Purpur API maven dependency:
+```
+<dependency>
+    <groupId>net.pl3x.purpur</groupId>
+    <artifactId>purpur-api</artifactId>
+    <version>1.15.2-R0.1-SNAPSHOT</version>
+    <scope>provided</scope>
+</dependency>
+```
+```
+<repository>
+    <id>purpur</id>
+    <url>https://repo.pl3x.net/</url>
+</repository>
+```
+Yes, this also includes all API provided by Paper, Spigot, and Bukkit.
+
 ## Building and setting up
 Run the following commands in the root directory:
 
 ```
-git submodule init
-git submodule update
+git submodule update --init
 ./purpur up
 ./purpur patch
 ```
+
 #### Creating a patch
 Patches are effectively just commits in either `Purpur-API` or `Purpur-Server`. 
 To create one, just add a commit to either repo and run `./purpur rb`, and a 
@@ -36,3 +64,5 @@ See [Paper's contributing guideline](https://github.com/PaperMC/Paper/blob/maste
 
 Use the command `./purpur build` to build the api and server. Compiled jars
 will be placed under `Purpur-API/target` and `Purpur-Server/target`.
+
+To get a purpurclip jar, run `./purpur jar`.