refactor: Moved all dev/docker files to /tools folder

tools/semver_next.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+# Increment a version string using Semantic Versioning (SemVer) terminology.
+
+# Parse command line options.
+
+while getopts ":Mmp" Option
+do
+  case $Option in
+    M ) major=true;;
+    m ) minor=true;;
+    p ) patch=true;;
+  esac
+done
+
+shift $(($OPTIND - 1))
+
+version=$1
+
+# Build array from version string.
+
+a=( ${version//./ } )
+
+# If version string is missing or has the wrong number of members, show usage message.
+
+if [ ${#a[@]} -ne 3 ]
+then
+  echo "usage: $(basename $0) [-Mmp] major.minor.patch"
+  exit 1
+fi
+
+# Increment version numbers as requested.
+
+if [ ! -z $major ]
+then
+  ((a[0]++))
+  a[1]=0
+  a[2]=0
+fi
+
+if [ ! -z $minor ]
+then
+  ((a[1]++))
+  a[2]=0
+fi
+
+if [ ! -z $patch ]
+then
+  ((a[2]++))
+fi
+
+echo "${a[0]}.${a[1]}.${a[2]}"