add DAE estimation tutorial

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: -0.17% :warning:

Comparison is base (0bd11e9) 85.21% compared to head (42ab337) 85.05%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #107 +/- ## ========================================== - Coverage 85.21% 85.05% -0.17% ========================================== Files 17 17 Lines 1211 1198 -13 ========================================== - Hits 1032 1019 -13 Misses 179 179 ``` | [Flag](https://app.codecov.io/gh/baggepinnen/LowLevelParticleFilters.jl/pull/107/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Fredrik+Bagge+Carlson) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/baggepinnen/LowLevelParticleFilters.jl/pull/107/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Fredrik+Bagge+Carlson) | `85.05% <ø> (-0.17%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Fredrik+Bagge+Carlson#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files Changed](https://app.codecov.io/gh/baggepinnen/LowLevelParticleFilters.jl/pull/107?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Fredrik+Bagge+Carlson) | Coverage Δ | | |---|---|---| | [src/LowLevelParticleFilters.jl](https://app.codecov.io/gh/baggepinnen/LowLevelParticleFilters.jl/pull/107?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Fredrik+Bagge+Carlson#diff-c3JjL0xvd0xldmVsUGFydGljbGVGaWx0ZXJzLmps) | `100.00% <ø> (ø)` | | | [src/utils.jl](https://app.codecov.io/gh/baggepinnen/LowLevelParticleFilters.jl/pull/107?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Fredrik+Bagge+Carlson#diff-c3JjL3V0aWxzLmps) | `81.01% <ø> (-2.69%)` | :arrow_down: |

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