feat: add in-progress bootstrap.sh to build jbang with jbang

bootstrap.sh

@@ -0,0 +1,20 @@
+## This script is an experiment to bootstrap jbang with jbang itself.
+
+## in gradle we have plugin to generate BuildConfig with version info in it.
+## For now just generate a placeholder. Ultimately could be some other script to generate the file.
+mkdir generated
+cat << EOF > generated/BuildConfig.java
+package dev.jbang;
+
+public final class BuildConfig {
+ public static final String VERSION = "999-jbang";
+ public static final String NAME = "jbang";
+
+ private BuildConfig() {
+ }
+}
+EOF
+
+## TODO: add jbang.properties to classpath
+
+jbang --sources src/main/java/**.java,generated/**.java --repos mavencentral,jitpack --deps org.jboss:jandex:2.2.3.Final,org.slf4j:slf4j-nop:1.7.30,com.offbytwo:docopt:0.6.0.20150202,org.apache.commons:commons-text:1.9,org.apache.commons:commons-compress:1.20,info.picocli:picocli:4.6.1,io.quarkus.qute:qute-core:1.12.2.Final,kr.motd.maven:os-maven-plugin:1.7.0,org.codehaus.plexus:plexus-java:1.0.6,com.google.code.gson:gson:2.9.0,org.jsoup:jsoup:1.13.1,org.codejive:java-properties:0.0.4,com.github.jbangdev.jbang-resolver:shrinkwrap-resolver-api:3.1.5-allowpom,com.github.jbangdev.jbang-resolver:shrinkwrap-resolver-impl-maven:3.1.5-allowpom src/main/java/dev/jbang/Main.java