Fix markdown syntax in docstrings (#646)

* Fix markdown header in `CaoTauLeaping` docstring

* Fix markdown admonition header

Signed-off-by: abhro <[email protected]>

---------

Signed-off-by: abhro <[email protected]>

Author: abhro

src/algorithms.jl

@@ -1001,7 +1001,7 @@ parameters θ and η.
     Milan J. Math. 77, 205–244 (2009). https://doi.org/10.1007/s00032-009-0100-0
   - Originally introduced in PR #88 (commit 42e2510) by Tatsuhiro Onodera (2018)
 
-!!! warning################################################################################
+!!! warning
 
     The derivative `ggprime` must be computed analytically for correctness.# Rossler
     The original paper contains a typo in the definition of ggprime - this
@@ -2931,7 +2931,7 @@ Automatically adjusts tau based on:
   - Jump rate variations
   - Solution stability requirements
 
-## References################################################################################
+## References
 
   - Cao, Y., Gillespie, D.T., Petzold, L.R., "Efficient step size selection for the tau-leaping method"# Etc.
 """