chore: fix rocks terminology

.github/workflows/build.yaml

@@ -1,4 +1,4 @@
-name: Build ROCK
+name: Build rock
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -38,15 +38,15 @@ jobs:
         run: |
           sudo snap install yq
           sudo snap install rockcraft --classic --edge
-      - name: Build ROCK
+      - name: Build rock
         id: build
         run: |
           rockcraft pack --verbose
 
           VERSION=$(yq '.version' rockcraft.yaml)
           echo "rock=charmed-kafka_${VERSION}_amd64.rock" >> $GITHUB_OUTPUT
 
-      - name: Upload locally built ROCK artifact
+      - name: Upload locally built rock artifact
         uses: actions/upload-artifact@v3
         with:
           name: charmed-kafka

.github/workflows/publish.yaml

@@ -1,4 +1,4 @@
-name: Publish ROCK
+name: Publish rock
 on:
   push:
     branches:
@@ -22,7 +22,7 @@ jobs:
           echo "track=${BRANCH%*\/*}" >> $GITHUB_OUTPUT
         id: branch_metadata
 
-      - name: Extract ROCK metadata
+      - name: Extract rock metadata
         shell: bash
         run: |
           VERSION=$(yq '(.version|split("-"))[0]' rockcraft.yaml)

README.md

@@ -1,14 +1,15 @@
-# Charmed Kafka ROCK
+# Charmed Kafka rock
 
 [![Container Registry](https://img.shields.io/badge/Container%20Registry-published-blue)](https://github.com/canonical/charmed-kafka-rock/pkgs/container/charmed-kafka)
 [![Release](https://github.com/canonical/charmed-kafka-rock/actions/workflows/publish.yaml/badge.svg)](https://github.com/canonical/charmed-kafka-rock/actions/workflows/publish.yaml)
 
-This repository contains the packaging metadata for creating a Charmed Kafka ROCK. This ROCK image is based on the [Charmed Kafka Snap](https://github.com/canonical/charmed-kafka-snap)  
+This repository contains the packaging metadata for creating a Charmed Kafka rock. This rock image is based on the [Charmed Kafka Snap](https://github.com/canonical/charmed-kafka-snap)  
 
-For more information on ROCKs, visit the [rockcraft Github](https://github.com/canonical/rockcraft). 
+For more information on rocks, visit the [rockcraft Github](https://github.com/canonical/rockcraft).
 
-## Building the ROCK
-The steps outlined below are based on the assumption that you are building the ROCK with the latest LTS of Ubuntu.  
+## Building the rock
+
+The steps outlined below are based on the assumption that you are building the rock with the latest LTS of Ubuntu.  
 If you are using another version of Ubuntu or another operating system, the process may be different. 
 To avoid any issue with other operating systems you can simply build the image with [multipass](https://multipass.run/):
 ```bash
@@ -35,14 +36,16 @@ sudo usermod -aG docker $USER
 sudo lxd init --auto
 ```
 *_NOTE:_* You will need to open a new shell for the group change to take effect (i.e. `su - $USER`)
-### Packing and Running the ROCK
+
+### Packing and Running the rock
+
 ```bash
 rockcraft pack
 sudo skopeo --insecure-policy copy oci-archive:charmed-kafka*.rock docker-daemon:<username>/charmed-kafka:<tag>
 docker run --rm -it <username>/charmed-kafka:<tag>
 ```
 ## License
-The Charmed Kafka ROCK is free software, distributed under the Apache
+The Charmed Kafka rock is free software, distributed under the Apache
 Software License, version 2.0. See
 [LICENSE](https://github.com/canonical/charmed-kafka-rock/blob/main/LICENSE)
 for more information.

rockcraft.yaml

@@ -1,10 +1,10 @@
 # Copyright 2023 Canonical Ltd.
 # See LICENSE file for licensing details.
 ---
-name: charmed-kafka  # the name of your ROCK
-base: [email protected]  # the base environment for this ROCK
+name: charmed-kafka  # the name of your rock
+base: [email protected]  # the base environment for this rock
 version: '3.6.1'  # just for humans. Semantic versioning is recommended
-summary: Charmed Kafka ROCK OCI  # 79 char long summary
+summary: Charmed Kafka rock OCI  # 79 char long summary
 description: |
   This is an OCI image that bundles Apache Kafka together with other tools
   of its ecosystem in order to be used in Charmed Operators, providing
@@ -14,7 +14,7 @@ description: |
   cloud native technologies.
 license: Apache-2.0  # your application's SPDX license
 
-platforms:  # The platforms this ROCK should be built on and run on
+platforms:  # The platforms this rock should be built on and run on
   amd64:
 
 services: