feat(tiered-pricing): java solution

Author: luru-eb

exercises/tiered_pricing/solutions/lurumad-java/.editorconfig

@@ -0,0 +1,11 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.java]
+indent_size = 4
+indent_style = space

exercises/tiered_pricing/solutions/lurumad-java/.github/workflows/workflow.yml

@@ -0,0 +1,22 @@
+name: Main Workflow
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - uses: actions/setup-java@v1
+      with:
+        java-version: 17
+
+    - name: Assemble
+      run: ./gradlew assemble --warning-mode all
+
+    - name: Check
+      run: ./gradlew check --warning-mode all
+

exercises/tiered_pricing/solutions/lurumad-java/.gitignore

@@ -0,0 +1,9 @@
+# Gradle
+.gradle
+build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+var/log/*
+!var/log/.gitkeep