The sequence $${x}_{n}$$ is defined by $x_1=\dfrac{1}{2},~~~ x_{k+1} = x_{k}^2 + x_k.$ If $S=\dfrac{1}{{x}_{1}+1}+\dfrac{1}{{x}_{2}+1} + \dfrac{1}{{x}_{3}+1} +\cdots + \dfrac{1}{{x}_{100}+1}$ then find the value of $$\left\lfloor S\right\rfloor$$.