Rename README and hierarchy package to decrease verbosity

README

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+.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
+    :target: https://github.com/ambv/black
+
+rbackup - An rsync-based backup tool
+====================================
+A tool that automates the use of rsync and extra features for package manager backups.
+
+Features
+--------
+* Snapshot-based backup management
+* Backups of deleted and modified files
+* Creation of installed package lists and backup of package manager databases
+
+Advanced Features
+^^^^^^^^^^^^^^^^^
+* rbackup depends on the filesystem that stores the repository to provide features such as checksumming, advanced deduplication, and data integrity verification
+
+Target Directories
+------------------
+* /boot
+* /etc
+* /home
+* /root
+* /var
+  * /var/lib
+  * /var/log
+* Extras
+  * Installed packages
+  * Package manager databases
+
+Backup Directory Hierarchy
+--------------------------
+* basedir
+  | - data *directory containing all snapshots*
+  |   | - snapshot1 *first snapshot*
+  |     | - boot
+  |     | - home
+  |     | - etc
+  |   | - snapshot2
+  |     | - boot
+  |     | - home
+  |     | - etc
+  | - prev *link to previous snapshot*
+* Assuming snapshot2 was the previous backup and snapshot1 was the backup before that:
+  * prev would link to snapshot2
+  * Unchanged files files from snapshot1 backed up to snapshot2 are hardlinked to snapshot1
+
+
+Implementation Notes
+--------------------
+* pathlib is used for path handling
+* Use --link-dest=
+* Use --suffix=, --backup, and --backup-dir=
+
+To-do
+-----
+* Use --suffix=, --backup, and --backup-dir=