[hist] Add first basic tutorial

[hahnjo]

No description provided.

[hahnjo]

The ASCII output looks like this:

hist1 with expected mean = 5
entries = 1000, mean = 4.98577, stddev = 1.98663
 |                                        |
 |                                        |
 |                                        |
 |                                        |
 |                                        |
 |         *                              |
 |       *****                            |
 |       *****                            |
 |      ****** *                          |
 |      ********                          |
 |     **********                         |
 |     **********                         |
 |   * ***********                        |
 |   ***************                      |
*|  *****************                     |

hist2 with expected mean = 13
entries = 1500, mean = 12.9495, stddev = 4.00479
 |                                        |
 |                                        |
 |                                        |
 |                                        |
 |                                        |
 |                                        |
 |                                        |
 |                           * *          |
 |                        *  * *          |
 |                    ***********         |*
 |                  * **************      |*
 |                ******************      |*
 |             *  ******************** *  |*
 |             ** **********************  |*
 |        *  *****************************|*

hist3 with expected entries = 2500
entries = 2500, mean = 9.76403, stddev = 5.14032
 |                                        |
 |                                        |
 |                                        |
 |                                        |
 |         *                              |
 |       ***** *                          |
 |       ***** *                          |
 |       ********            * *          |
 |      *********  *     **  * *          |
 |      ********* *** ***********         |*
 |     *****************************      |*
 |     *****************************      |*
 |   ********************************* *  |*
 |   ***********************************  |*
*|  **************************************|*

Numbers and scaling can be tweaked, if wanted.

[github-actions]

Test Results

    22 files      22 suites   3d 17h 22m 36s ⏱️
 3 686 tests  3 678 ✅ 0 💤 8 ❌
79 200 runs  79 192 ✅ 0 💤 8 ❌

For more details on these failures, see this check.

Results for commit f692e72.

♻️ This comment has been updated with latest results.

[dpiparo]

Thanks this is great.