Add changelog generator and initial changelog

CHANGELOG.md

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+Version Scheme
+--------------
+Skynet Webportal uses the following versioning scheme, vX.X.X
+ - First Digit signifies a major (compatibility breaking) release
+ - Second Digit signifies a major (non compatibility breaking) release
+ - Third Digit signifies a minor or patch release
+
+Version History
+---------------
+
+Latest:
+
+## August 9th, 2021:
+### v0.1.1 
+Monthly release
+
+## March 24th, 2021:
+### v0.1.0 
+Initial versioned release

changelog/.changelogignore

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+.init
+.DS_Store

changelog/README.md

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+# Changelog Generator
+
+For usage of changelog generator please see [readme](https://gitlab.com/NebulousLabs/changelog-generator/-/blob/master/README.md) in Changelog Generator
+repository.

changelog/changelog-head.md

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+Version Scheme
+--------------
+Skynet Webportal uses the following versioning scheme, vX.X.X
+ - First Digit signifies a major (compatibility breaking) release
+ - Second Digit signifies a major (non compatibility breaking) release
+ - Third Digit signifies a minor or patch release
+
+Version History
+---------------
+
+Latest:

changelog/changelog-tail.md

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+
+
+## August 9th, 2021:
+### v0.1.1 
+Monthly release
+
+## March 24th, 2021:
+### v0.1.0 
+Initial versioned release

changelog/generate-changelog.sh

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+#!/usr/bin/env bash
+set -e
+
+# Generate CHANGELOG.md from changelog directory
+# Requires:
+# - curl installed
+
+# Config
+
+main_version='v1.0.1'
+export main_filename='generate-changelog-main.sh'
+export main_url="https://gitlab.com/NebulousLabs/changelog-generator/-/raw/${main_version}/${main_filename}"
+export temp_dir="${HOME}/.nebulous/changelog-generator"
+export main_path=${temp_dir}/${main_filename}
+
+# Set working dir to script location
+pushd $(dirname "$0") > /dev/null
+
+# If executed in 'changelog-generator' repo, do not use the older released
+# version, use the latest local version
+repo_dir="$(basename ${PWD%/*})"
+if [[ "${repo_dir}" == "changelog-generator" ]]
+then
+    # Call the latest local main script
+    echo "Executing the latest local version of the main script"
+    export local_execution=true
+    chmod +x ../${main_filename}
+    ../${main_filename} "$@"
+    exit 0
+fi
+
+# Download main script to temp dir
+mkdir -p ${temp_dir}
+curl --show-error --fail -o ${main_path} ${main_url}
+
+# Execute downloaded main script passing arguments to the main script
+chmod +x ${main_path}
+${main_path} "$@"
+
+popd > /dev/null