fix: Use project variable for API script (#309)

Co-authored-by: phant0m2290 <[email protected]>

docs/misc/downloads-api.mdx

@@ -47,15 +47,15 @@ This will get the latest stable build for the given project and Minecraft versio
 PROJECT="paper"
 MINECRAFT_VERSION="%%_MAJ_MIN_MC_%%"
 
-LATEST_VERSION=$(curl -s https://api.papermc.io/v2/projects/paper | \
+LATEST_VERSION=$(curl -s https://api.papermc.io/v2/projects/${PROJECT} | \
     jq -r '.versions[-1]')
 
 LATEST_BUILD=$(curl -s https://api.papermc.io/v2/projects/${PROJECT}/versions/${MINECRAFT_VERSION}/builds | \
     jq -r '.builds | map(select(.channel == "default") | .build) | .[-1]')
 
-JAR_NAME=paper-${LATEST_VERSION}-${LATEST_BUILD}.jar
+JAR_NAME=${PROJECT}-${LATEST_VERSION}-${LATEST_BUILD}.jar
 
-PAPERMC_URL="https://api.papermc.io/v2/projects/paper/versions/${LATEST_VERSION}/builds/${LATEST_BUILD}/downloads/${JAR_NAME}"
+PAPERMC_URL="https://api.papermc.io/v2/projects/${PROJECT}/versions/${LATEST_VERSION}/builds/${LATEST_BUILD}/downloads/${JAR_NAME}"
 
 # Download the latest PaperMC version
 curl -o server.jar $PAPERMC_URL