a post with typograms

This is an example post with some typograms code.

```typograms
+----+
|    |---> My first diagram!
+----+
```

Which generates:

+----+
|    |---> My first diagram!
+----+

Another example:

```typograms
.------------------------.
|.----------------------.|
||"https://example.com" ||
|'----------------------'|
| ______________________ |
||                      ||
||   Welcome!           ||
||                      ||
||                      ||
||  .----------------.  ||
||  | username       |  ||
||  '----------------'  ||
||  .----------------.  ||
||  |"*******"       |  ||
||  '----------------'  ||
||                      ||
||  .----------------.  ||
||  |   "Sign-up"    |  ||
||  '----------------'  ||
||                      ||
|+----------------------+|
.------------------------.
```

which generates:

.------------------------.
|.----------------------.|
||"https://example.com" ||
|'----------------------'|
| ______________________ |
||                      ||
||   Welcome!           ||
||                      ||
||                      ||
||  .----------------.  ||
||  | username       |  ||
||  '----------------'  ||
||  .----------------.  ||
||  |"*******"       |  ||
||  '----------------'  ||
||                      ||
||  .----------------.  ||
||  |   "Sign-up"    |  ||
||  '----------------'  ||
||                      ||
|+----------------------+|
.------------------------.

For more examples, check out the typograms documentation.