DO-47/Tavro_pipeline (#1)

Add first classes
Co-authored-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>
Co-committed-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>

build.gradle

@@ -0,0 +1,46 @@
+apply plugin: 'groovy'
+
+group = 'tech.avroid'
+version = '0.1.0'
+description = 'Jenkins Shared Library'
+
+repositories {
+    mavenCentral()
+    maven {
+        url "https://repo.jenkins-ci.org/releases/"
+    }
+    maven {
+        url "https://repo.jenkins-ci.org/public/"
+    }
+}
+
+dependencies {
+    implementation 'org.codehaus.groovy:groovy-all:3.0.2'
+    implementation 'com.cloudbees:groovy-cps:1.32'
+    implementation 'org.jenkins-ci.main:jenkins-core:2.164.1'
+}
+
+sourceSets {
+    main {
+        groovy {
+            srcDirs = ['src', 'vars']
+        }
+    }
+}
+
+groovydoc {
+    // Set document and window titles.
+    docTitle = "Avroid Shared library"
+    windowTitle = "Avroid Shared library"
+
+    header = '''\
+        <img src="http://www.mrhaki.com/images/haki-logo-black-64.png"/>
+        <h2>Sample project</h2>
+        '''.stripIndent()
+
+    // Set custom footer for generated documentation.
+    footer = """\
+        <div class="custom-footer">
+            Generated on: ${new Date().format('yyyy-MM-dd HH:mm:ss')}
+        </div>""".stripIndent()
+}